Debian DSA-4804-1 : xen - security update

high Nessus Plugin ID 143500

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Synopsis

The remote Debian host is missing a security-related update.

Description

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, privilege escalation or information leaks.

Solution

Upgrade the xen packages.

For the stable distribution (buster), these problems have been fixed in version 4.11.4+57-g41a822c392-1.

Plugin Details

Severity: High

ID: 143500

File Name: debian_DSA-4804.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/7/2020

Updated: 2/6/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-27672

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2020-27671

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:xen, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 12/4/2020

Vulnerability Publication Date: 10/22/2020

Reference Information

CVE: CVE-2020-27670, CVE-2020-27671, CVE-2020-27672, CVE-2020-27674, CVE-2020-28368

DSA: 4804

Detections

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